--- a/hotspot/src/share/vm/gc/shared/threadLocalAllocBuffer.hpp Mon Apr 25 10:53:42 2016 +0200
+++ b/hotspot/src/share/vm/gc/shared/threadLocalAllocBuffer.hpp Fri Apr 29 08:32:42 2016 +0200
@@ -49,8 +49,9 @@
size_t _refill_waste_limit; // hold onto tlab if free() is larger than this
size_t _allocated_before_last_gc; // total bytes allocated up until the last gc
- static size_t _max_size; // maximum size of any TLAB
- static unsigned _target_refills; // expected number of refills between GCs
+ static size_t _max_size; // maximum size of any TLAB
+ static int _reserve_for_allocation_prefetch; // Reserve at the end of the TLAB
+ static unsigned _target_refills; // expected number of refills between GCs
unsigned _number_of_refills;
unsigned _fast_refill_waste;
@@ -129,7 +130,7 @@
// Reserve space at the end of TLAB
static size_t end_reserve() {
int reserve_size = typeArrayOopDesc::header_size(T_INT);
- return MAX2(reserve_size, VM_Version::reserve_for_allocation_prefetch());
+ return MAX2(reserve_size, _reserve_for_allocation_prefetch);
}
static size_t alignment_reserve() { return align_object_size(end_reserve()); }
static size_t alignment_reserve_in_bytes() { return alignment_reserve() * HeapWordSize; }